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| Number | Title | Issue Date |
| 8110034 | Ink set, and ink jet recording method using the ink set An ink set for ink jet recording that realizes a satisfactory image in addition to high color-developing ability, high ejection stability, and high recover ability from clogging is provided. An ink set contains two or more ink compositions at least including ... | 02/07/2012 |
| 8105429 | Ink set, ink jet recording method, recorded matter, and ink jet recording apparatus An ink set includes an oil-based ink composition containing a metallic pigment; and at least one oil-based ink composition selected from the group consisting of a chromatic color ink composition containing a chromatic color oil dye, a black ink composition containin... | 01/31/2012 |
| 8105428 | Solventless universal colorants A method of preparing a universal base composition disclosed which consists of milling a pigment in a resin that is soluble in both water and organic solvent and wherein the resin contains both hydrophobic and hydrophilic monomers such that the total weight of the h... | 01/31/2012 |
| 8097075 | Ink set, ink jet recording method, recorded matter, and ink jet recording apparatus An ink set includes an oil-based ink composition containing a metallic pigment; and at least one oil-based ink composition selected from the group consisting of a chromatic color ink composition containing a chromatic color oil dye, a black ink composition containin... | 01/17/2012 |
| 8092583 | Ink set An ink set includes a cyan ink composition containing C.I. pigment blue 15:6 or C.I. pigment blue 60 as a pigment and a magenta ink composition containing at least one quinacridone pigment selected from the group consisting of C.I. pigment violet 19, C.I. pigment re... | 01/10/2012 |
| 8088207 | Eleven-color printing ink set and method of use An eleven-color printing ink set and method of use including an eleven-color ink set including a cyan ink with coordinates of L*=55, a*=−28, and b*=−43; a magenta ink with coordinates of L*=48, a*=61, and b*=1; a yellow ink with coordinates of L*=88, a*=−5, an... | 01/03/2012 |
| 8052786 | Amphoteric pigment dispersion containing ink formulations, methods of using ink formulations, and systems using ink formulations Ink-jet ink sets, pigment-based ink formulations, methods of printing, and methods of enhancing print quality, are disclosed. One exemplary ink-jet ink set, among others, includes a pigment-based ink formulation at a first pH, including: a pigment-based ink, and an ... | 11/08/2011 |
| 8038783 | Ink set, recording method, and recording apparatus An ink set includes a cyan ink composition containing C.I. pigment blue 15:6 as a pigment; a magenta ink composition containing a quinacridone pigment selected from the group consisting of C.I. pigment violet 19, C.I. pigment red 122, C.I. pigment red 202, and C.I. ... | 10/18/2011 |
| 8016931 | Ink set An ink set including at least three colors of inks of yellow ink with a hue angle ∠H°, as defined in CIELAB color space on a recording medium, in the range of about 80° to about 110°, magenta ink with a hue angle ∠H° in the range of about 330° to about 360Â... | 09/13/2011 |
| 8016930 | Magenta ink composition, ink cartridge, and recording system and recorded matter using the same This invention provides a magenta ink composition that, when recorded, is excellent in color development, graininess, and gloss, is less likely to cause clogging in an ink jet recording head, and is excellent in color reproduction in a high-chroma and high-lightness... | 09/13/2011 |
| 8007577 | Ink, color filter, and method for manufacturing the same, and display device The present invention provides an ink including at least a monomer and/or an oligomer and a coloring agent, wherein the coloring agent includes 16 to 56% by mass of a pigment C.I.P.R. 254 and 4 to 14% by mass of a pigment C.I.P.R. 177 based on the solid content of t... | 08/30/2011 |
| 7988777 | Aqueous ink composition and urethane resin composition for aqueous ink composition An object of the present invention is to provide a black ink composition by which a recorded matter in which a fine surface defect on a recorded matter is effectively suppressed, can be obtained. For this object, the present invention is a black ink composition cont... | 08/02/2011 |
| 7985289 | Ultrafine barium sulfate particle, water-based coating composition, and water-based ink composition The present invention provides an ultrafine barium sulfate particle, which improves, even if the particle is mixed in a water-borne composition, such as a water-borne coating composition or a water-borne ink composition, color saturation and gloss of color pigments,... | 07/26/2011 |
| 7972428 | Process for preparing modified pigments A process for preparing a modified pigment having attached at least one organic group is described. This process comprises the step of combining, in any order, a colored pigment, an aromatic amine, a base, and an aqueous medium to form a mixture, and then combining ... | 07/05/2011 |
| 7959725 | Ink set, recording method, recording device, recording system, and recorded object It is an object of the present invention to provide an ink set which makes it possible to obtain recorded images that have a broad color reproduction range and a high saturation, as well as glossiness without conspicuous graininess caused by dot expression, and whic... | 06/14/2011 |
| 7955426 | Ink set, and recording method and recorded matter using the same The present invention provides an ink set comprising at least two or more pigment inks different in color, wherein differences in average particle size between the inks different in color are 30 nm or less, the inks each have a sedimentation rate, as indicated by eq... | 06/07/2011 |
| 7942960 | White ink composition and recorded material using the same The present invention provides a white ink composition that can give a white image having excellent abrasion resistance. The white ink composition according to the invention is a white ink composition containing hollow resin particles and a polyurethane resin charac... | 05/17/2011 |
| 7931743 | Yellow ink composition, ink set, recording method using them, and record A yellow ink composition includes C.I. Pigment Yellow and C.I. Pigment Yellow 74 as coloring agents. The ratio of a C.I. Pigment Yellow 185 content (percent by weight) to a C.I. Pigment Yellow 74 content (percent by weight) is in the range of 0.5 to 15. The yellow i... | 04/26/2011 |
| 7922800 | Ink set, ink system and method for printing an image An ink set includes a light magenta ink and a dark magenta ink. The light magenta ink includes an effective amount of a pigment having a red/green lambda cutoff ranging from about 585 nm to about 600 nm, and reflecting at least about 14% of blue light at a wavelengt... | 04/12/2011 |
| 7914615 | Continuous process for preparing pigment flush A process for continuous flush of a pigment press cake involves applying a dispersant to the press cake to produce a fluidized press cake, continuously feeding the fluidized press cake into a twin screw extruder and mixing it with a neutralizing agent in the extrude... | 03/29/2011 |
| 7914616 | Method for producing liquid composition and pigment particles and ink composition for ink jet recording A method for producing a liquid composition containing pigment particles is provided including (1) maintaining a mixture of a solvent and pigments of at least two types including a pigment A insoluble in the solvent at a normal temperature and a normal pressure, and... | 03/29/2011 |
| 7901500 | Ink set, ink jet recording method, ink cartridge, recording unit, ink jet recording apparatus, and image forming method To provide an ink set which achieves an improvement in gradation of a monochrome image and the realization of a high black density, and which solves gloss unevenness occurring upon formation of an image by means of at least three kinds of black inks different from o... | 03/08/2011 |
| 7871467 | Ink set for ink jet recording and method for ink jet recording Disclosed is a five-color ink set for ink jet recording, which can realize good images excellent in lightfastness and waterfastness, as well as particularly in hue. The five-color ink set for ink jet recording comprises a cyan ink composition, a magenta ink composit... | 01/18/2011 |
| 7867327 | Ink set for ink jet recording and method for ink jet recording There is provided an ink set for ink jet recording, which can realize lightfastness and waterfastness and, at the same time, can realize good images, especially images having a good hue. The ink set for ink jet recording comprises a cyan ink composition, a magenta i... | 01/11/2011 |
| 7854798 | Ink set, image forming method, ink jet recording method, ink cartridge, and recording unit An object of the present invention is to provide an ink set which can produce images with color developability undoubtedly higher than images produced by a conventional pigment ink and closer to images produced by silver halide photography or output from a laser pri... | 12/21/2010 |
| 7850773 | Ink set, ink jet recording method, recorded matter, and ink jet recording apparatus An ink set includes an oil-based ink composition containing a metallic pigment; and at least one oil-based ink composition selected from the group consisting of a chromatic color ink composition containing a chromatic color oil dye, a black ink composition containin... | 12/14/2010 |
| 7846247 | Ink set for ink jet recording and ink jet recording method An ink set for ink jet recording includes a black ink and a plurality of color inks of different colors. The black ink contains a pigment as a coloring material. The color ink having the highest brightness among the plurality of color inks has the highest surface te... | 12/07/2010 |
| 7846246 | Ink set, ink container, inkjet recording method, recording device, and recorded matter An ink set, comprising: an oil based ink composition containing a metallic pigment; and at least one or more oil based ink compositions selected from a group consisting of a chromatic color ink composition containing chromatic color pigment, a black ink composition ... | 12/07/2010 |
| 7819962 | Modified pigments having reduced phosphate release, and dispersions and inkjet ink compositions therefrom The present invention relates to a modified pigment comprising a pigment having attached at least one geminal bisphosphonic acid group, partial esters thereof, or salts thereof. The modified pigments have a low phosphate release value. Dispersions and inkjet ink com... | 10/26/2010 |
| 7815724 | Ink composition An ink composition containing an α-hetero atom-containing methacrylic compound represented by the following general formula (I) as a polymerizable compound and a polymerization initiator (b): wherein Ra and R | 10/19/2010 |
| 7806971 | Yellow ink composition, ink set, ink jet recording method using ink set, and record A yellow ink composition comprises C. I. Pigment Yellow 185 used as a colorant and has a pigment concentration of 10 to 20 weight percent. ... | 10/05/2010 |
| 7806972 | Oil ink set The object of the invention is to provide an oil ink set capable of obtaining images having high color reproduction capabilities and high color saturation in particular. The oil ink set of the invention comprises a firsts a second, and a third oil ink having a wavel... | 10/05/2010 |
| 7794535 | Pigments stabilized to acid challenge An electrostatically stabilized ink includes a dispersion which is electrostatically stabilized and comprises a pigment. The ink also includes an ionic amphiphile additive which has a charge center having an opposite charge from a charge center of the dispersion. | 09/14/2010 |
| 7794534 | Magenta ink composition, ink set, ink cartridge, and utilizing these, method of recording, recording system and recording product A magenta ink composition, wherein when the a* value in accordance with the CIE standard that is calculated from a visible absorption spectrum is 80 in a diluted aqueous solution with a dilution ratio of 10,000 or less, the b* value is −29 or less. ... | 09/14/2010 |
| 7789955 | Inkjet ink composition A pigment-based ink composition including a colorant, a cyclic amide represented by the formula: wherein R is at least one of CH3, C2H5, C3H9, C4H9,... | 09/07/2010 |
| 7776146 | Solventless universal colorants A method of preparing a universal base composition disclosed which consists of milling a pigment in a resin that is soluble in both water and organic solvent and wherein the resin contains both hydrophobic and hydrophilic monomers such that the total weight of the h... | 08/17/2010 |
| 7776145 | Ink, ink set, recording method, ink cartridge, and recording device The present invention provides an ink comprising at least a pigment, water, a water-soluble organic solvent, a lithium ion and one or more of cation other than the lithium ion, which can be applied particularly favorably for an inkjet method; an ink set at least com... | 08/17/2010 |
| 7767013 | Non-aqueous pigment ink A non-aqueous pigment ink includes a colorant and a non-aqueous solvent, wherein the colorant is a pigment complex of a pigment, a dispersant and a polymer compound, the polymer compound contains 2 or more primary and/or secondary amino groups within each molecule, ... | 08/03/2010 |
| 7763106 | Ink set for inkjet recording and image recording method The present invention provides an ink set for inkjet recording which has excellent resistance to light and can prevent image blurring and image deformation due to cracks or the like, wherein the ink set includes: a first liquid including a water soluble organic solv... | 07/27/2010 |
| 7754000 | Preparation process of pigment dispersion, image forming process and image forming apparatus A process for preparing a pigment dispersion, which comprises mixing a first solvent composed of an organic solvent in which a pigment has been dissolved with a second solvent which lowers the solubility of the pigment in the presence of a dispersant, thereby precip... | 07/13/2010 |
